NWS Marine Forecast


   LMZ740>745-010915-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-  Burns Harbor to Michigan City IN-  828 PM CDT Sun May 31 2026    REST OF TONIGHT  Northeast winds 5 to 10 kt. Isolated showers.  Waves 1 to 2 ft.  MONDAY  North winds around 10 kt. Isolated showers in the  morning, then a few sprinkles in the afternoon. Waves 1 to 2 ft.  MONDAY NIGHT  North winds 10 to 20 kt becoming northeast  overnight. Decreasing cloud cover. Waves 1 to 3 ft building to 2  to 4 ft.  TUESDAY  Northeast winds 10 to 15 kt. Sunny. Waves 2 to 4 ft  subsiding to 1 to 3 ft.    $$